It has been over three weeks since Hurricane Sandy blew through the mid-Atlantic states, and since then the public and officials have begun to question New York's crumbling infrastructure as well as our affinity for building houses where they don't belong. Matt Chaban over at the New York Observer recently spoke to some urban planners who say that if development is to continue in low-lying areas like Lower Manhattan and the Brooklyn and Queens waterfronts, New York City should take a hint from Rotterdam and consider building giant floodgates to protect our property. So what can New Yorkers learn from Rotterdammers about rising tides?